What four things do we want to know about a skeleton?

After railroads, the next revolution of transportation came with the development of (a) automobile (b) telegraph (c) steam engine

What is the term for a government where power is carefully divided between a central government and several regional or provincial governments? a.) unified or central government b.) federal government c.) confederate government d.) republican government

The image shows groundwater zones. which zone shows the water table? 1 2 3 4